Wang, Y.
Shen, X. J.
Chen, H. P.
Sun, J. X.
Article History
Received: 21 January 2020
Revised: 22 February 2021
Accepted: 10 March 2021
First Online: 21 September 2021
COMPLIANCE WITH ETHICAL STANDARDS
: This article is a completely original work of its authors; it has not been published before and will not be sent to other publications until the Editorial Board of the <i>Pattern Recognition and Image Analysis</i> decides not to accept it for publication.
: The process of writing and the content of the article does not give grounds for raising the issue of a conflict of interest.